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Diffstat (limited to 'net/mac802154/mib.c')
-rw-r--r--net/mac802154/mib.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/net/mac802154/mib.c b/net/mac802154/mib.c
index f47781ab0cc..8ded97cf1c3 100644
--- a/net/mac802154/mib.c
+++ b/net/mac802154/mib.c
@@ -159,6 +159,15 @@ void mac802154_dev_set_pan_id(struct net_device *dev, u16 val)
}
}
+u8 mac802154_dev_get_dsn(const struct net_device *dev)
+{
+ struct mac802154_sub_if_data *priv = netdev_priv(dev);
+
+ BUG_ON(dev->type != ARPHRD_IEEE802154);
+
+ return priv->dsn++;
+}
+
static void phy_chan_notify(struct work_struct *work)
{
struct phy_chan_notify_work *nw = container_of(work,
@@ -167,9 +176,15 @@ static void phy_chan_notify(struct work_struct *work)
struct mac802154_sub_if_data *priv = netdev_priv(nw->dev);
int res;
+ mutex_lock(&priv->hw->phy->pib_lock);
res = hw->ops->set_channel(&hw->hw, priv->page, priv->chan);
if (res)
pr_debug("set_channel failed\n");
+ else {
+ priv->hw->phy->current_channel = priv->chan;
+ priv->hw->phy->current_page = priv->page;
+ }
+ mutex_unlock(&priv->hw->phy->pib_lock);
kfree(nw);
}
@@ -186,8 +201,11 @@ void mac802154_dev_set_page_channel(struct net_device *dev, u8 page, u8 chan)
priv->chan = chan;
spin_unlock_bh(&priv->mib_lock);
+ mutex_lock(&priv->hw->phy->pib_lock);
if (priv->hw->phy->current_channel != priv->chan ||
priv->hw->phy->current_page != priv->page) {
+ mutex_unlock(&priv->hw->phy->pib_lock);
+
work = kzalloc(sizeof(*work), GFP_ATOMIC);
if (!work)
return;
@@ -195,5 +213,6 @@ void mac802154_dev_set_page_channel(struct net_device *dev, u8 page, u8 chan)
INIT_WORK(&work->work, phy_chan_notify);
work->dev = dev;
queue_work(priv->hw->dev_workqueue, &work->work);
- }
+ } else
+ mutex_unlock(&priv->hw->phy->pib_lock);
}